# Building permits at 3981 Promontory Ct, Boulder, CO 13 permits on record here. The newest, Oct 10, 2024: Installation of Tesla Powerwall 3 Battery system to Existing Solar. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 10, 2024 | Electrical | Installation of Tesla Powerwall 3 Battery system to Existing Solar. 11/21/24 Solar PV Breaker changed to 40A and Battery landed to 60A Breaker | $3,750 | [ELE2024-00716](https://nearbypermits.com/boulder/permit/ELE2024-00716/) | | Jan 11, 2024 | Mechanical (HVAC) | Replace furnace with high efficiency furnace (96% AFUE 45,000 BTU) and replace the air conditioner with a heat pump (23.0 SEER-10.6 HSPF). | $19,623 | [MEC2024-00044](https://nearbypermits.com/boulder/permit/MEC2024-00044/) | | Dec 7, 2022 | Electrical | Residential Roof-mounted Flat Solar PV system. | $9,456 | [ELE2022-01569](https://nearbypermits.com/boulder/permit/ELE2022-01569/) | | Sep 27, 2021 | Mechanical (HVAC) | Forced Air Furnace Air-to-Air Annual Fuel Utilization Efficiency (AFUE) 99, 90000 BTU, Natural Gas, Interior, Replacement. Central Air Conditioning Seasonal Energy Efficiency Ratio (SEER) 20, 36000 BTU, Natural Gas, Exterior, Replacement | $14,599 | [MEC2021-01921](https://nearbypermits.com/boulder/permit/MEC2021-01921/) | | May 26, 2021 | Mechanical (HVAC) | Installing 20Seer/ 2.5 ton AC with one head. | $5,034 | [MEC2021-00995](https://nearbypermits.com/boulder/permit/MEC2021-00995/) | | May 26, 2021 | Electrical | VOID- 180 Days no activity Sierra Vista Electric will add GFCI outlet for the new unit. | $500 | [ELE2021-00835](https://nearbypermits.com/boulder/permit/ELE2021-00835/) | | Jun 26, 2013 | Mechanical (HVAC) | Replace existing forced air furnace with new 45k BTU and electrical hook-up. | $4,673 | [PMT2013-02983-MEC](https://nearbypermits.com/boulder/permit/PMT2013-02983-MEC/) | | Mar 19, 2008 | Plumbing | Remodel of master bath on second floor. Convert shower and bath into shower with two heads. 175 SF. | $3,750 | [PMT2008-00914-PLB](https://nearbypermits.com/boulder/permit/PMT2008-00914-PLB/) | | Mar 19, 2008 | Electrical | Remodel of master bath on second floor. Convert shower and bath into shower with two heads. 175 SF. | $5,500 | [PMT2008-00914-ELE](https://nearbypermits.com/boulder/permit/PMT2008-00914-ELE/) | | Mar 19, 2008 | Alteration or repair | Remodel of master bath on second floor. Convert shower and bath into shower with two heads. 175 SF. | $25,250 | [PMT2008-00914](https://nearbypermits.com/boulder/permit/PMT2008-00914/) | | Oct 13, 2003 | Mechanical (HVAC) | Replacement Water Heater | $677 | [PMT2003-20099-MEC](https://nearbypermits.com/boulder/permit/PMT2003-20099-MEC/) | | Jun 15, 1999 | New building | Columns for fence and trellis the original general permit number is 994897. | $4,500 | [PMT1999-04897](https://nearbypermits.com/boulder/permit/PMT1999-04897/) | | Mar 24, 1998 | Alteration or repair | Interior walls,carpet,paint, electric (no bath) the original general permit N | $14,400 | [PMT1998-01785](https://nearbypermits.com/boulder/permit/PMT1998-01785/) | ## Zoning requests nearby We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment ## More on this street Other addresses on Promontory Ct with permits, nearest house number first: - [3985 Promontory Ct](https://nearbypermits.com/boulder/address/3985-promontory-ct/): newest permit Sep 19, 2025 - [3973 Promontory Ct](https://nearbypermits.com/boulder/address/3973-promontory-ct/): newest permit Mar 30, 2026 - [3966 Promontory Ct](https://nearbypermits.com/boulder/address/3966-promontory-ct/): newest permit Mar 5, 2026 - [3997 Promontory Ct](https://nearbypermits.com/boulder/address/3997-promontory-ct/): newest permit Jul 14, 2025 - [3998 Promontory Ct](https://nearbypermits.com/boulder/address/3998-promontory-ct/): newest permit Jun 25, 2026 - [3941 Promontory Ct](https://nearbypermits.com/boulder/address/3941-promontory-ct/): newest permit Jan 16, 2026 - [3934 Promontory Ct](https://nearbypermits.com/boulder/address/3934-promontory-ct/): newest permit Sep 18, 2025 - [3925 Promontory Ct](https://nearbypermits.com/boulder/address/3925-promontory-ct/): newest permit Dec 18, 2025 - [3913 Promontory Ct](https://nearbypermits.com/boulder/address/3913-promontory-ct/): newest permit Jul 11, 2025 - [3905 Promontory Ct](https://nearbypermits.com/boulder/address/3905-promontory-ct/): newest permit Jul 8, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 08:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 13 permits at this address: https://nearbypermits.com/boulder/address/3981-promontory-ct/